LED点阵 8*8 显示图形

#include<reg52.h> #define uc unsigned char #define ui unsigned int sbit key1=P3^0; uc code table[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f}; uc code table1[3][8]={ {0x12,0x14,0x3c,0x48,0x3c,0x14,0x12,0x00}, {0x00,0x00,0x38,0x44,0x44,0x44,0x38,0x00}, {0x30,0x48,0x44,0x22,0x44,0x48,0x30,0x00} }; uc a,b; void delay(ui z) { ui x,y; for(x=z;x>0;x--) for(y=110;y>0;y--); } void main() { while(1) { P2=table[a]; P0=table1[b][a]; a++; if(a==7)a=0; delay(2); if(key1==0) { delay(2); if(key1==0) { b++; if(b==3)b=0; } while(!key1); } } }